LOW

14 active species

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4-Day Forecast:

Morning

Grass LOW

Tree LOW

Weed LOW

Afternoon

Grass LOW

Tree LOW

Weed LOW

Evening

Grass MED

Tree LOW

Weed MED

Species	Level	Count
🌾 Timothy Grass	LOW	4 grains/m³
🌾 Grass (mixed)	LOW	4 grains/m³
🌿 Russian Thistle	LOW	4 grains/m³
🌿 Pigweed	LOW	3 grains/m³
🌿 Fat Hen	LOW	3 grains/m³
+35 more tracked Cock's-foot Perennial Ryegrass Pellitory-of-the-wall Upright Pellitory Stinging Nettle Bermuda Grass Ribwort Plantain Common Sorrel Mugwort Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Ash Mountain Cedar White Mulberry Olive Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌾 Timothy Grass	HIGH	24 grains/m³
🌾 Grass (mixed)	HIGH	24 grains/m³
🌾 Cock's-foot	MED	19 grains/m³
🌾 Perennial Ryegrass	MED	18 grains/m³
🌾 Bermuda Grass	MED	10 grains/m³
+35 more tracked Russian Thistle Stinging Nettle Fat Hen Pellitory-of-the-wall Pigweed Upright Pellitory Ribwort Plantain Common Sorrel Mugwort Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Ash Mountain Cedar White Mulberry Olive Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌾 Timothy Grass	MED	6 grains/m³
🌾 Grass (mixed)	MED	6 grains/m³
🌾 Cock's-foot	MED	5 grains/m³
🌾 Perennial Ryegrass	MED	5 grains/m³
🌿 Russian Thistle	LOW	4 grains/m³
+35 more tracked Stinging Nettle Pigweed Fat Hen Bermuda Grass Pellitory-of-the-wall Upright Pellitory Ribwort Plantain Common Sorrel Mugwort Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Ash Mountain Cedar White Mulberry Olive Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌾 Grass (mixed)	MED	12 grains/m³
🌾 Timothy Grass	MED	11 grains/m³
🌾 Cock's-foot	MED	9 grains/m³
🌾 Perennial Ryegrass	MED	9 grains/m³
🌿 Russian Thistle	MED	8 grains/m³
+35 more tracked Fat Hen Stinging Nettle Pigweed Pellitory-of-the-wall Upright Pellitory Bermuda Grass Ribwort Plantain Common Sorrel Mugwort Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Ash Mountain Cedar White Mulberry Olive Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS

Last updated: 14:03 UTC

4-Day Forecast	Tree	Grass	Weed
Wed 20 May	LOW	LOW	LOW
Thu 21 May	LOW	HIGH	MED
Fri 22 May	LOW	MED	LOW
Sat 23 May	LOW	MED	MED

Map of Columbus (39.9612°, -82.9988°)

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What Pollen Levels Mean

LOW Symptoms are unlikely

MED Moderate risk of symptoms

HIGH Widespread symptoms likely

V.HI Expect significant symptoms

X.HI Extremely high symptom likelihood & severity